EP0893410A3 - Process for the purification of waste water containing organic and optionally inorganic sulfur compounds - Google Patents

Process for the purification of waste water containing organic and optionally inorganic sulfur compounds Download PDF

Info

Publication number
EP0893410A3
EP0893410A3 EP98113052A EP98113052A EP0893410A3 EP 0893410 A3 EP0893410 A3 EP 0893410A3 EP 98113052 A EP98113052 A EP 98113052A EP 98113052 A EP98113052 A EP 98113052A EP 0893410 A3 EP0893410 A3 EP 0893410A3
Authority
EP
European Patent Office
Prior art keywords
waste water
sulfur compounds
purification
inorganic sulfur
water containing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98113052A
Other languages
German (de)
French (fr)
Other versions
EP0893410A2 (en
EP0893410B1 (en
Inventor
Armand Dr. Verbueken
Domien Sluyts
Werner Dr. Verhoeven
Wilhelm Dr. Nehoda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of EP0893410A2 publication Critical patent/EP0893410A2/en
Publication of EP0893410A3 publication Critical patent/EP0893410A3/en
Application granted granted Critical
Publication of EP0893410B1 publication Critical patent/EP0893410B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/26—Treatment of water, waste water, or sewage by extraction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/908—Organic
    • Y10S210/909—Aromatic compound, e.g. pcb, phenol

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Physical Water Treatments (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Detergent Compositions (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zur Reinigung von organischen und gegebenenfalls anorganischen Schwefelverbindungen enthaltenden Abwässern mit einem Anteil an Mercaptobenzothiazol und/oder dessen Derivate sowie gegebenenfalls einem Anteil an Benzothiazol und/oder dessen Derivate und/oder Mercaptobenzimidazol und/oder dessen Derivate und gegebenenfalls Thiosulfat, in dem man die Abwässer mit einem Extraktionsmittel bestehend aus Salzen aliphatischer Amine und aliphatischen und/oder aromatischen Kohlenwasserstoffen behandelt.The invention relates to a method for cleaning organic and optionally containing inorganic sulfur compounds a proportion of mercaptobenzothiazole and / or its derivatives and, if appropriate a proportion of benzothiazole and / or its derivatives and / or mercaptobenzimidazole and / or its derivatives and optionally thiosulfate, in which the Waste water with an extracting agent consisting of salts of aliphatic amines and treated aliphatic and / or aromatic hydrocarbons.

EP98113052A 1997-07-25 1998-07-14 Process for the purification of waste water containing organic and optionally inorganic sulfur compounds Expired - Lifetime EP0893410B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732074A DE19732074A1 (en) 1997-07-25 1997-07-25 Process for the purification of waste water containing organic and possibly inorganic sulfur compounds
DE19732074 1997-07-25

Publications (3)

Publication Number Publication Date
EP0893410A2 EP0893410A2 (en) 1999-01-27
EP0893410A3 true EP0893410A3 (en) 2000-07-12
EP0893410B1 EP0893410B1 (en) 2002-02-06

Family

ID=7836900

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98113052A Expired - Lifetime EP0893410B1 (en) 1997-07-25 1998-07-14 Process for the purification of waste water containing organic and optionally inorganic sulfur compounds

Country Status (5)

Country Link
US (1) US6045696A (en)
EP (1) EP0893410B1 (en)
JP (1) JPH11226561A (en)
CA (1) CA2243881A1 (en)
DE (2) DE19732074A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002316765B2 (en) * 2001-06-13 2007-04-05 Bhp Billiton Sa Limited Solvent extraction mixture comprising substituted imidazole or benzimidazole for the separation of groups of base metals
WO2002101101A2 (en) * 2001-06-13 2002-12-19 Billiton Sa Limited Solvent extraction mixture comprising substituted imidazole or benzimidazole for the purification of base metals
WO2008132768A1 (en) * 2007-04-27 2008-11-06 Rita Mastromarino Method for removing organic compounds, in particular hydrocarbons, btex, organic halogenated compounds and mineral oils, from water

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966594A (en) * 1973-11-26 1976-06-29 Sumitomo Chemical Company, Limited Treatment of aqueous waste solution
EP0224812A2 (en) * 1985-12-04 1987-06-10 Bayer Antwerpen N.V. Process for working up mother liquors resulting from the preparation of benzothiazole derivatives
EP0547487A1 (en) * 1991-12-18 1993-06-23 Hoechst Aktiengesellschaft Process for treating waste waters containing organic phosphor derivatives, especially sulfonated arylphosphines
US5575918A (en) * 1995-02-28 1996-11-19 Henkel Corporation Method for recovery of polymers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI56160C (en) * 1972-10-16 1979-12-10 Kemira Oy KONTINUERLIGT FOERFARANDE FOER AVLAEGSNANDE AV NITRATER UR AVFALLSVATTEN GENOM EXTRAKTION OCH MED MOEJLIGAST SMAO EXTRAKTIONSMEDELSFOERLUSTER
JPS5344563A (en) * 1976-10-05 1978-04-21 Ouchi Shinkou Kagaku Kougiyou Preparation of benzothiazolylsulfenamide
DE3517084A1 (en) * 1985-05-11 1986-11-13 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING BENZOTHIAZOLE SULFEN AMIDES
EP0396790B1 (en) * 1989-05-09 1992-12-23 Bayer Antwerpen N.V. Process for the removal of nitrate and organic pollutants from effluents
US5705074A (en) * 1996-11-19 1998-01-06 Merichem Company Removal of acidic organic contaminants from refinery waste water

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966594A (en) * 1973-11-26 1976-06-29 Sumitomo Chemical Company, Limited Treatment of aqueous waste solution
EP0224812A2 (en) * 1985-12-04 1987-06-10 Bayer Antwerpen N.V. Process for working up mother liquors resulting from the preparation of benzothiazole derivatives
EP0547487A1 (en) * 1991-12-18 1993-06-23 Hoechst Aktiengesellschaft Process for treating waste waters containing organic phosphor derivatives, especially sulfonated arylphosphines
US5575918A (en) * 1995-02-28 1996-11-19 Henkel Corporation Method for recovery of polymers

Also Published As

Publication number Publication date
EP0893410A2 (en) 1999-01-27
DE19732074A1 (en) 1999-01-28
EP0893410B1 (en) 2002-02-06
DE59802997D1 (en) 2002-03-21
CA2243881A1 (en) 1999-01-25
JPH11226561A (en) 1999-08-24
US6045696A (en) 2000-04-04

Similar Documents

Publication Publication Date Title
DE60033881D1 (en) Process for treating a waste oil
DE602004025928D1 (en) HIGHLY CORROSION RESISTANT SURFACE TREATED STEEL PLATE AND METHOD FOR THE PRODUCTION THEREOF
DE502006003201D1 (en) METHOD FOR CONNECTING THE PUSH OF SEALING PROFILES AND DEVICE FOR THEIR IMPLEMENTATION
ATE369396T1 (en) POLYMER COMPOSITIONS AND METHODS FOR PRODUCING PIPES THEREFROM
DE60302319D1 (en) System and method for purifying water
DE60129630D1 (en) Process for the purification of inorganic salts containing organic materials
DE50308502D1 (en) METHOD AND DEVICE FOR THE AUTOMATED APPLICATION OF PAINT FILM TO BODY PARTS AND AUTOMATIONALLY DESIGNED PAINT FILM CONNECTION
DE60305744D1 (en) METHOD FOR THE ELECTROCHEMICAL DETECTION AND REGULATION OF INORGANIC LAYER DEPOSITS
DE60025035D1 (en) Process for the treatment of crude oil or oil in a refinery process
ATE391549T1 (en) METHOD AND DEVICE FOR DESALTING WATER WITH PRESSURE DROPS BRIDGING
EP0893410A3 (en) Process for the purification of waste water containing organic and optionally inorganic sulfur compounds
DE19983164T1 (en) Process for dechlorinating and de-oiling oil
ATA6612003A (en) METHOD FOR WASTE WATER TREATMENT
ATE368134T1 (en) WORKPIECE MADE OF WELDABLE STRUCTURAL STEEL AND METHOD FOR PRODUCING IT
DE50208871D1 (en) METHOD AND FILTRATION FOR SEPARATING CONDENSATE AND THE SIMILAR
DE60200711D1 (en) Method for applying a closure perpendicular to the direction of the material web
DE60332298D1 (en) A method of making or repairing a superalloy part, and of preventing the formation of a secondary reaction zone
DE60101333D1 (en) METHOD FOR TREATING WASTE WATER CONTAINING NITROGEN AND / OR PHOSPHORUS AND / OR ORGANIC WASTE AND / OR HEAVY METALS
ATE356670T1 (en) METHOD FOR PROCESSING SULFIDE MINERALS
DE602004008419D1 (en) METHOD FOR THE ADDITION OF ACTIVATED CARBON FOR WATER CLEANING AND WATER CLEANING PROCESS
DE50002093D1 (en) DEVICE FOR MONITORING INTENTIONAL OR INevitable Layer Deposits, AND METHOD
ATE297368T1 (en) CONTINUOUS PROCESS FOR SEPARATING WATER FROM A HYDROCARBOND FEED
DE10394249D2 (en) Well and process for the regeneration of a well
ATE326428T1 (en) METHOD AND PLANT FOR DESALING SALTWATER
DE50302903D1 (en) METHOD FOR REMOVING WATER FROM A MIXTURE CONTAINING WATER AND ZINC CHLORIDE ENTH LT

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): BE DE FR GB IT

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20010112

AKX Designation fees paid

Free format text: BE DE FR GB IT

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 20010424

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE FR GB IT

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20020206

REF Corresponds to:

Ref document number: 59802997

Country of ref document: DE

Date of ref document: 20020321

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20021107

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20060706

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20060712

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20060719

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20060731

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20060912

Year of fee payment: 9

BERE Be: lapsed

Owner name: *LANXESS DEUTSCHLAND G.M.B.H.

Effective date: 20070731

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20070714

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070714

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20080331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070731

REG Reference to a national code

Ref country code: FR

Ref legal event code: TP

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070714